Internet service company 1&1 have inked a deal with German giants Borussia Dortmund that will see them become the club’s primary shirt sponsors for their Bundesliga games beginning 2020/21. However 1 & 1 will appear on jerseys that the club will sport in European and domestic Cup games, with Evonik continuing to appear on those shirts. The combined deal (1&1 + Evonik) will reportedly earn BVB around 200 million euros over 5 years (40m a year)
1&1 (1 und 1) primarily offer web hosting, but also deal with domains, SSL and other ancillary internet services. They were founded in Germany but quickly expanded operations to other countries, including the UK.